This document is about the Plumbers & Pipefitters National Pension Fund notifying all participants, unions, and employers that the plan has been certified as being in endangered (yellow zone) status for the 2017-2018 plan year with a funding percentage of 76.2%. As required by the Pension Protection Act of 2006, the fund has developed a Funding Improvement Plan to improve the plan's funding ratio and avoid an accumulated funding deficiency. The document outlines the details of the plan's status, the actions required, and how participants can get more information.